| T lymphocyte subgroup level before radiation therapy | Radioactive damage grade | ||||
| Grade I/II | Grade III/IV | Chi-square value | P value | ||
| Total lymphocyte count | Chemotherapy group n1 = 77 | 28 | 16 | 149.000 | 0.000 |
| No chemotherapy group n2 = 105 | 61 | 44 | |||
| CD3+ count | Chemotherapy group n1 = 80 | 43 | 37 | 182.000 | 0.000 |
| No chemotherapy group n2 = 102 | 44 | 58 | |||
| CD4+ auxiliary/induction T cell counts | Chemotherapy group n1 = 86 | 40 | 46 | 101.758 | 0.000 |
| No chemotherapy group n2 = 96 | 56 | 40 | |||
| CD8+ inhibition/killer T cell count | Chemotherapy group n1 = 83 | 38 | 45 | 182.000 | 0.000 |
| No chemotherapy group n2 = 99 | 66 | 33 | |||
| CD4+/CD8+ | Chemotherapy group n1 = 68 | 36 | 32 | 223.965 | 0.000 |
| No chemotherapy group n2 = 114 | 74 | 40 | |||